'A Network Cable Is unplugged' Problem, Help!!

lettuce

lettuce

lettuce

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15 Oct 2007
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Bedfordshire, UK.
For about the last month or so i have been getting the pop up bobble on my taskbar popping up saying that 'A Network Cable Is unplugged' at random times, could go a few days without doing it, then would do it 2 or 3 times in one day etc! I original though it was a duff ethernet cable but replaced that on monday and all was well until yesterday when it popped up again on the taskbar. I have now narrowed it down to my router, a Linksys WRT54G Ver4 which is running the tomato firware. When this problem occurs ive now noticed the power light on the router constantly flashes, what would cause this to happen?? Im not using the provided adaptor that came with the router as it developed an annoying buzzing sound, so got a radioshack multi voltage adaptor which is set to the correct voltage, 12v! Any suggestions?
 
I was about to suggest a power supply problem but i would think the problem would be more regular if your power supply was at fault.

are you sure your getting a good connection between the PC and router, are the sockets clean and plugs clicking in properly?

also your using a cheap power supply for the router, if theres a weak part in the cable, this would explain the power light flickering....

I would double check your connections and try a different power supply for the router.
 
I would say im 99% sure its not any of the enthernet cables because it will do it when im not anywhere near the PC, so nothing's getting knocked or touched, plus i have wiggled all the enthernet cables connected to the router and it doesnt reproduce the problem.
The power light doesnt really 'flicker' as such though, it flashes systematically at quick regular intervals, so its not like the power light is flash becuase theres a break in the wire or poor connection otherwise the light would flash irregularly which it doesnt
 
hmm, well the error mesage suggests its a problem between the pc and the router.

does the problem still occur if you use the origeonal power supply for the router?
 
Ive got a nagging feeling the problem may be down to your "one size fits all el cheapo" power supply if you didnt have this problem with the origeonal power supply.
 
The flashing lights are the router starting up, so it's either restarting spontaneously or being switched off (even if it is momentarily).
 
Bet it's the crappy mains adapter. 12v but not enough power causing it to overheat and reset.
 
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